#include<stdio.h>
struct Student 
{  int num;
   char name[20];
   float score;
};
int main() 
{struct Student stu[5]={{10101,"Zhang",78},{10103,"Wang",98.5},{10106,"Li",86}, {10108,"Ling",73.5},{10110,"Sun",100}};  
 struct Student temp;  
 const int n=5;  
 int i,j,k;  
 printf("The order is:\n");  
 for(i=0;i<n-1;i++)  
     {k=i;   
      for(j=i+1;j<n;j++)
	     if(stu[j].score>stu[k].score) 
		 k=j;
		 temp=stu[k]; 
		 stu[k]=stu[i];
	     stu[i]=temp;
	 }   
	 for(i=0;i<n;i++)   
	      printf("%6d %8s %6.2f\n",stu[i].num,stu[i].name,stu[i].score);
 printf("\n"); 
 return 0; 
}
